123981858

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 144

約数和(自身を含む): 367488576

約数和(自身を除く): 243506718

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 49, 63, 66, 77, 78, 91, 98, 99, 117, 126, 143, 147, 154, 182, 198, 231, 234, 273, 286, 294, 429, 441, 462, 539, 546, 637, 693, 819, 858, 882, 983, 1001, 1078, 1274, 1287, 1386, 1617, 1638, 1911, 1966, 2002, 2574, 2949, 3003, 3234, 3822, 4851, 5733, 5898, 6006, 6881, 7007, 8847, 9009, 9702, 10813, 11466, 12779, 13762, 14014, 17694, 18018, 20643, 21021, 21626, 25558, 32439, 38337, 41286, 42042, 48167, 61929, 63063, 64878, 75691, 76674, 89453, 96334, 97317, 115011, 123858, 126126, 140569, 144501, 151382, 178906, 194634, 227073, 230022, 268359, 281138, 289002, 421707, 433503, 454146, 529837, 536718, 626171, 681219, 805077, 843414, 867006, 983983, 1059674, 1252342, 1265121, 1362438, 1589511, 1610154, 1878513, 1967966, 2530242, 2951949, 3179022, 3757026, 4768533, 5635539, 5903898, 6887881, 8855847, 9537066, 11271078, 13775762, 17711694, 20663643, 41327286, 61990929, 123981858]

約数ペア:

[(1, 123981858), (2, 61990929), (3, 41327286), (6, 20663643), (7, 17711694), (9, 13775762), (11, 11271078), (13, 9537066), (14, 8855847), (18, 6887881), (21, 5903898), (22, 5635539), (26, 4768533), (33, 3757026), (39, 3179022), (42, 2951949), (49, 2530242), (63, 1967966), (66, 1878513), (77, 1610154), (78, 1589511), (91, 1362438), (98, 1265121), (99, 1252342), (117, 1059674), (126, 983983), (143, 867006), (147, 843414), (154, 805077), (182, 681219), (198, 626171), (231, 536718), (234, 529837), (273, 454146), (286, 433503), (294, 421707), (429, 289002), (441, 281138), (462, 268359), (539, 230022), (546, 227073), (637, 194634), (693, 178906), (819, 151382), (858, 144501), (882, 140569), (983, 126126), (1001, 123858), (1078, 115011), (1274, 97317), (1287, 96334), (1386, 89453), (1617, 76674), (1638, 75691), (1911, 64878), (1966, 63063), (2002, 61929), (2574, 48167), (2949, 42042), (3003, 41286), (3234, 38337), (3822, 32439), (4851, 25558), (5733, 21626), (5898, 21021), (6006, 20643), (6881, 18018), (7007, 17694), (8847, 14014), (9009, 13762), (9702, 12779), (10813, 11466)]